Can “crowdsourced” data augment authoritative datasets in local communities?
Trusting the Crowd - Methods for Moving from Crowdsourced to Authoritative Data Kate Chapman...
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Trusting the Crowd - Methods for Moving from Crowdsourced to Authoritative Data Kate Chapman @wonderchook
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Transcript of Trusting the Crowd - Methods for Moving from Crowdsourced to Authoritative Data Kate Chapman...
![Page 1: Trusting the Crowd - Methods for Moving from Crowdsourced to Authoritative Data Kate Chapman @wonderchook.](https://reader038.fdocuments.us/reader038/viewer/2022102609/56649ec95503460f94bd69e4/html5/thumbnails/1.jpg)
Trusting the Crowd - Methods for Moving from
Crowdsourced to Authoritative Data
Kate Chapman@wonderchook
![Page 2: Trusting the Crowd - Methods for Moving from Crowdsourced to Authoritative Data Kate Chapman @wonderchook.](https://reader038.fdocuments.us/reader038/viewer/2022102609/56649ec95503460f94bd69e4/html5/thumbnails/2.jpg)
Volunteered Geographic Information (VGI)
vs.Crowdsourcing?
![Page 3: Trusting the Crowd - Methods for Moving from Crowdsourced to Authoritative Data Kate Chapman @wonderchook.](https://reader038.fdocuments.us/reader038/viewer/2022102609/56649ec95503460f94bd69e4/html5/thumbnails/3.jpg)
Crowdsourced“vs.”
Authoritative Data
![Page 4: Trusting the Crowd - Methods for Moving from Crowdsourced to Authoritative Data Kate Chapman @wonderchook.](https://reader038.fdocuments.us/reader038/viewer/2022102609/56649ec95503460f94bd69e4/html5/thumbnails/4.jpg)
Is participatory mapping crowdsourcing?
![Page 5: Trusting the Crowd - Methods for Moving from Crowdsourced to Authoritative Data Kate Chapman @wonderchook.](https://reader038.fdocuments.us/reader038/viewer/2022102609/56649ec95503460f94bd69e4/html5/thumbnails/5.jpg)
![Page 6: Trusting the Crowd - Methods for Moving from Crowdsourced to Authoritative Data Kate Chapman @wonderchook.](https://reader038.fdocuments.us/reader038/viewer/2022102609/56649ec95503460f94bd69e4/html5/thumbnails/6.jpg)
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![Page 8: Trusting the Crowd - Methods for Moving from Crowdsourced to Authoritative Data Kate Chapman @wonderchook.](https://reader038.fdocuments.us/reader038/viewer/2022102609/56649ec95503460f94bd69e4/html5/thumbnails/8.jpg)
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How does the magic happen?
![Page 10: Trusting the Crowd - Methods for Moving from Crowdsourced to Authoritative Data Kate Chapman @wonderchook.](https://reader038.fdocuments.us/reader038/viewer/2022102609/56649ec95503460f94bd69e4/html5/thumbnails/10.jpg)
New York City Building Footprints Imported into OpenStreetMap
![Page 11: Trusting the Crowd - Methods for Moving from Crowdsourced to Authoritative Data Kate Chapman @wonderchook.](https://reader038.fdocuments.us/reader038/viewer/2022102609/56649ec95503460f94bd69e4/html5/thumbnails/11.jpg)
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![Page 13: Trusting the Crowd - Methods for Moving from Crowdsourced to Authoritative Data Kate Chapman @wonderchook.](https://reader038.fdocuments.us/reader038/viewer/2022102609/56649ec95503460f94bd69e4/html5/thumbnails/13.jpg)
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crowdgov.wordpress.com/
• Natural Resources Canada-OpenStreetMap Synergy
• FixMyStreet• Use of Corine Land Cover in OpenStreetMap in
France• Haiti Disaster Response• Community Mapping for Exposure in Indonesia• New York City Open Data Initiative• State Department HIU – Imagery to the Crowd